Fixed: #143

EMongoDocument.php

@@ -272,7 +272,7 @@ public function setVersion($n){
  $this->{$this->versionField()}=$n;
  return true;
  }
- } 
+ }
 
  /**
  * Sets the attribute of the model
@@ -686,6 +686,35 @@ public function equals($record)
  {
  return $this->collectionName() === $record->collectionName() && (string)$this->getPrimaryKey() === (string)$record->getPrimaryKey();
  }
+
+ /**
+ * Is basically a find one of the last version to be saved
+ * @return NULL|EMongoDocument
+ */
+ public function getLastVersion(){
+ $c=$this->find()->sort(array($this->versionField() => -1))->limit(1);
+ if($c->count()<=0){
+ return null;
+ }else{
+ foreach($c as $row)
+ return $this->populateRecord($row);
+ }
+ }
+
+ /**
+ * Is basically a find one of a version
+ * @param int $num
+ * @return NULL|EMongoDocument
+ */
+ public function getVersion($num){
+ $c=$this->find(array($this->versionField() => $num))->sort(array($this->versionField() => -1))->limit(1);
+ if($c->count()<=0){
+ return null;
+ }else{
+ foreach($c as $row)
+ return $this->populateRecord($row);
+ } 
+ } 
 
  /**
  * Find one record

tests/MongoDocumentTest.php

@@ -647,4 +647,24 @@ function testSetVersion(){
  $oo=versionedDocument::model()->findOne(array('_id'=>$m->_id));
  $this->assertEquals(4,$oo->version());
  }
+
+ function testGetLastVersion(){
+ $m=new versionedDocument();
+ $m->name="sammaye";
+ $this->assertTrue($m->save()); // 1
+
+ $m->age=2500;
+ $this->assertTrue($m->save()); // 2
+
+ $doc=versionedDocument::model()->getLastVersion();
+
+ $this->assertEquals(2,$doc->version()); 
+ }
+
+ function testGetVersion(){
+ $m=new versionedDocument();
+ $m->name="sammaye";
+ $this->assertTrue($m->save()); // 1
+ $this->assertInstanceOf('EMongoDocument',versionedDocument::model()->getVersion(1));
+ }
 }